- Jan 14, 2005
Best CMB 91 M-line red head 6 bolts than CMB RS EVO gold head four bolts? Is M-line more powerful? And use turbo plug Rossi 8T plug?I like the 91 M1 motor
I ran a pair in a twin at Brandon this year
Out of the box the performance was quite good.
There is 91 M1 and 91 Inline. The 91 inline appears to have the M1 features